I must admit, I never thought about what it’d be like to experience an earthquake (seaquake?) UNDER WATER. Non- compressibility of water - hmmm...
Kilauea is “unlike a lot of volcanoes because it’s a shield volcano”—meaning it has long, sloping sides—“and because it’s huge,” The scale of it is hard to comprehend until you’re on the volcano and you realize you can drive 20 miles and still be on the volcano.